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[Letter from Jack Davis to Linus Wright, May 1, 1987]
Photocopy of a letter from Jack Davis, Vice Provost of North Texas State University, to Linus Wright, Superintendent for Dallas ISD. Davis is happy to share with Wright a copy of a letter to the Getty Center for Education in the Arts for the North Texas Regional Institute for Educators on the Visual Arts, "North Texas Institute for Educators on the Visual Arts" (NTIEVA), which has been funded. Davis writes that they will begin work immediately to get the steering committee organized and to get the first conference meeting going. Davis ends the letter saying that with Wright, he is confidence that can put together a successful proposal for an implementation grant.
Date:
May 1, 1987
Creator:
Davis, Donald Jack
Object Type:
Letter
System:
The UNT Digital Library
Enhanced durability and reactivity for zinc ferrite desulfurization sorbent
AMAX Research Development Center (AMAX R D) has been investigating methods for enhancing the reactivity and durability of the zinc ferrite desulfurization sorbent. Zinc ferrite sorbents are intended for use in desulfurization of hot coal gas in integrated gasification combined cycle (IGCC) or molten carbonate fuel cell (MCFC) applications. For the present program, the reactivity of the sorbent may be defined as its sulfur sorption capacity at the breakthrough point and at saturation in a bench-scale, fixed-bed reactor. Durability may be defined as the ability of the sorbent to maintain important physical characteristics such As size, strength, and specific surface area during 10 cycles of sulfidation and oxidation.
Date:
May 18, 1987
Creator:
Jha, M. C.; Baltich, L. K. & Berggren, M. H.
Object Type:
Report
System:
The UNT Digital Library
Human somatic, germinal and heritable mutagenicity
This report deals with the general process of variant formation rather than with the consequences of a specific variant being present. It focusses on mutational mechanisms, mutagens, and the method for detecting de novo mutants and estimating mutation rate. It is to human genetics much like disease causation and prevention medicine are to medicine as a whole. The word ''mutagenicity'' is used in the title and throughout the text to connote the causation of all classes of genetic damage. Mutagenicity and the corresponding words mutation, mutagen and mutagenesis can have multiple meaning, sometimes relating to gene mutation, sometimes to heritable mutation, and somtimes to all types of genetic damage. 38 refs., 1 tab.
Date:
May 1, 1987
Creator:
Mendelsohn, M.L.
Object Type:
Article
System:
The UNT Digital Library
Reduced waste generation technical work plan
The United States Department of Energy has established policies for avoiding plutonium losses to the waste streams and minimizing the generation of wastes produced at its nuclear facilities. This policy is evidenced in DOE Order 5820.2, which states Technical and administrative controls shall be directed towards reducing the gross volume of TRU waste generated and the amount of radioactivity in such waste.'' To comply with the DOE directive, the Defense Transuranic Waste Program (DTWP) supports and provides funding for specific research and development tasks at the various DOE sites to reduce the generation of waste. This document has been prepared to give an overview of current and past Reduced Waste Generation task activities which are to be based on technical and cost/benefit factors. The document is updated annually, or as needed, to reflect the status of program direction. Reduced Waste Generation (RWG) tasks encompass a wide range of goals which are basically oriented toward (1) avoiding the generation of waste, (2) changing processes or operations to reduce waste, (3) converting TRU waste into LLW by sorting or decontamination, and (4) reducing volumes through operations such as incineration or compaction.
Date:
May 1, 1987
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
[Letter from Alfred Hurley to Gibson Lewis, May 7, 1987]
Letter from Alfred Hurley to Gibson Lewis, on May 7, 1987, speaking about their trip to North Carolina, and the ways in which the Texas Academy for Mathematics and Science will differ from the North Carolina model.
Date:
May 7, 1987
Creator:
Hurley, Alfred F.
Object Type:
Letter
System:
The UNT Digital Library
[Letter from Frank Kemerer to James R. Miller, May 28, 1987]
Letter from Frank Kemerer to James R. Miller, on May 28, 1987, suggesting that Dr. Bruce Meeks be considered to coordinate the Texas Academy of Math and Science.
Date:
May 28, 1987
Creator:
Kemerer, Frank R.
Object Type:
Letter
System:
The UNT Digital Library
[Memorandum from Tom Preston, May 4, 1987]
Letter from Tom Preston to John Ed Allen, Frank Kemerer, Gerry O'Donovan, Rogers Redding, Walter Sandefur, Bob Stevens, Le Theriot, and Jean Schaake, on May 4, 1987, asking them to serve on a committee for implementing the curriculum of the Texas Academy of Math and Science.
Date:
May 4, 1987
Creator:
Preston, Tom
Object Type:
Letter
System:
The UNT Digital Library
[Letter from James Miller to Richard G. Brown, May 29, 1987]
Letter from James Miller to Richard G. Brown, on May 29, 1987, thanking him for his assistance in the establishment of the Texas Academy of Mathematics and Science, and informing him of the program's financial situation.
Date:
May 29, 1987
Creator:
Miller, James R.
Object Type:
Letter
System:
The UNT Digital Library
[Letter from Gibson Lewis to Alfred Hurley, May 18, 1987]
Letter from Gibson Lewis to Alfred Hurley, on May 18, 1987, telling him that the bill creating the TAMS program has passed the House floor, and expressing his excitement in working on the project.
Date:
May 18, 1987
Creator:
Lewis, Gibson D.
Object Type:
Letter
System:
The UNT Digital Library
[Executive Summary of A Proposal for the Establishment of a Texas Academy of Mathematics and Science at North Texas State University]
Executive summary of a proposal for the establishment of a Texas Academy of Mathematics and Science at North Texas State University, including a purpose, rationale and need, a description of the academy, personnel, organizational structure, management, a budget summary, and expected outcomes.
Date:
May 5, 1987
Creator:
Miller, James R.
Object Type:
Paper
System:
The UNT Digital Library
Economic Concerns Aiding Programs for Gifted
Article by Ellen Flax discussing the establishment of college-level programs for gifted and talented students in the United States.
Date:
May 13, 1987
Creator:
Flax, Ellen
Object Type:
Clipping
System:
The UNT Digital Library
[Memorandum from Tom Preston, May 4, 1987]
Memorandum from Tom Preston to John Ed Allen, Frank Kemerer, Gerry O'Donovan, Rogers Redding, Walter Sandefur, Bob Stevens, Le Theriot, and Jean Schaake, on May 4, 1987, asking that they serve on a curriculum committee to implement the Texas Academy of Mathematics and Science.
Date:
May 4, 1987
Creator:
Preston, Tom
Object Type:
Letter
System:
The UNT Digital Library
[Letter from Julian C. Stanley to James R. Miller, May 27, 1987]
Letter from Julian C. Stanley to James R. Miller, on May 27, 1987, congratulating him on getting approval for the Texas Academy of Mathematics and Science. He suggests they not open to program until fall of 1988, so that they can give time and thought to recruiting able students. Stanley also encloses several articles about gifted and talented students.
Date:
May 27, 1987
Creator:
Stanley, Julian C.
Object Type:
Letter
System:
The UNT Digital Library
A Proposal for the Establishment of a Texas Academy of Mathematics and Science at North Texas State University
A proposal for the establishment of a Texas Academy of Mathematics and Science at North Texas State University, including information on the purpose, expected outcomes, rationale and need, a description of the academy, admission plans, an instructional program, academy requirements, a co-curricular program, the admissions process, nomination and selection criteria, organizational structure, personnel, management, an evaluation, the budget, and special considerations affecting the proposed academy.
Date:
May 5, 1987
Creator:
Miller, James R.
Object Type:
Paper
System:
The UNT Digital Library
[Letter from James R. Miller to Laura Allard, May 25, 1987]
Letter from James R. Miller to Laura Allard, on May 25, 1987, thanking her for talking to him about programs for gifted and talented children. He mentions that the bill has passed the Texas House, but has stalled in the Texas Senate.
Date:
May 25, 1987
Creator:
Miller, James R.
Object Type:
Letter
System:
The UNT Digital Library
[Memorandum from James R. Miller to Alfred Hurley, May 4, 1987]
Memorandum from James R. Miller to Alfred Hurley, on May 4, 1987, detailing the tasks he has accomplished in relation to the establishment of a Texas Academy of Mathematics and Science. An executive summary of a proposal, and changes to the proposal, are attached.
Date:
May 4, 1987
Creator:
Miller, James R.
Object Type:
Letter
System:
The UNT Digital Library
[Letter from James Miller to Judith Win, May 12, 1987]
Letter from James Miller to Judith Win, on May 12, 1987, thanking her for speaking on the phone with him, and informing her of the TAMS program's financial situation.
Date:
May 12, 1987
Creator:
Miller, James R.
Object Type:
Letter
System:
The UNT Digital Library
[Letter from Alfred F. Hurley to Trammell Crow, Sr., May 7, 1987]
Letter from Alfred Hurley to Trammell Crow, Sr., on May 7, 1987, discussing the issue of funding the Texas Academy of Mathematics and Science in time for a fall 1988 start date. He also mentions that he believes the TAMS program will be more efficient than the North Carolina model.
Date:
May 7, 1987
Creator:
Hurley, Alfred F.
Object Type:
Letter
System:
The UNT Digital Library
[Letter from Richard G. Brown to James R. Miller, May 12, 1987]
Letter from Richard G. Brown to James R. Miller, on May 12, 1987, congratulating Miller on moving forward with the Texas Academy. He suggests that the students be given college-level coursework, so they may be admitted to college programs as sophomores or juniors.
Date:
May 12, 1987
Creator:
Brown, Richard G.
Object Type:
Letter
System:
The UNT Digital Library
Final Report for the Light Water Breeder Reactor Proof-of-Breeding Analytical Support Project
The technology of breeding uranium-233 from thorium-232 in a light water reactor is being developed and evaluated by the Westinghouse Bettis Atomic Power Laboratory (BAPL) through operation and examination of the Shippingport Light Water Breeder Reactor (LWBR). Bettis is determining the end-of-life (EOL) inventory of fissile uranium in the LWBR core by nondestructive assay of a statistical sample comprising approximately 500 EOL fuel rods. This determination is being made with an irradiated-fuel assay gauge based on neutron interrogation and detection of delayed neutrons from each rod. The EOL fissile inventory will be compared with the beginning-of-life fissile loading of the LWBR to determine the extent of breeding. In support of the BAPL proof-of-breeding (POB) effort, Argonne National Laboratory (ANL) carried out destructive physical, chemical, and radiometric analyses on 17 EOL LWBR fuel rods that were previously assayed with the nondestructive gauge. The ANL work included measurements on the intact rods; shearing of the rods into pre-designated contiguous segments; separate dissolution of each of the more than 150 segments; and analysis of the dissolver solutions to determine each segment's uranium content, uranium isotopic composition, and loading of selected fission products. This report describes the facilities in which this work was carried …
Date:
May 1987
Creator:
Graczyk, D. G.; Hoh, J. C.; Martino, F. J.; Nelson, R. E.; Osudar, John & Levitz, Norman M.
Object Type:
Report
System:
The UNT Digital Library
Computerized Operating Procedures for Shearing and Dissolution of Segments from LWBR (Light Water Breeder Reactor) Fuel Rods
This report presents two detailed computerized operating procedures developed to assist and control the shearing and dissolution of irradiated fuel rods. The procedures were employed in the destructive analysis of end-of-life fuel rods from the Light Water Breeder Reactor (LWBR) that was designed by the Westinghouse Electric Corporation Bettis Atomic Power Laboratory. Seventeen entire fuel rods from the end-of-life core of the LWBR were sheared into 169 precisely characterized segments, and more than 150 of these segments were dissolved during execution of the LWBR Proof-of-Breeding (LWBR-POB) Analytical Support Project at Argonne National Laboratory. The procedures illustrate our approaches to process monitoring, data reduction, and quality assurance during the LWBR-POB work.
Date:
May 1987
Creator:
Osudar, J.; Deeken, P. G.; Graczyk, D. G.; Fagan, J. E.; Martino, F. J.; Parks, J. E. et al.
Object Type:
Report
System:
The UNT Digital Library
X-ray Computed Tomography for Structural Ceramic Applications : Beam Hardening Corrections
Beam hardening (BH), caused by the energy dependence of x-ray attenuation in materials, reduces the reliability of images generated by computed tomographic (CT) when polychromatic x-ray sources are used. The magnitude of the BH effect was calculated, and four different approaches to BH correction for CT imaging of ceramics were investigated: the ''water bag'' approach, pre-hardening of the beam by use of a filter, linearization correction, and dual-energy methods. The dual-energy approach appears to be a promising means of BH correction for CT imaging of ceramics.
Date:
May 1987
Creator:
Ellingson, William A.; Segal, E. & Vannier, M. W.
Object Type:
Report
System:
The UNT Digital Library
Scanning transmission x-ray microscopy of unaltered biological specimens
A scanning transmission x-ray microscope at the National Synchrotron Light Source was used to image fresh, wet biological specimens at 32 Angstroms, with resolution better than 750 Angstroms. A gold Fresnel zone plate (outer zone width 500 Angstroms) was used to focus the undulator radiation, and the sample was scanned through the spot. Absorption data was recorded digitally as a gridded array. The major accomplishment of the experiment was the demonstration of the ability to image biological samples in their natural state with high resolution and natural elemental contrast mechanisms. This was achieved through the design of a sample holder that maintains an aqueous environment for the sample, yet is transparent to x-rays at 32 Angstroms. The specimens used were isolated zymogen granules (approximately 1 micron diameter) from the pancreatic acinar cells of rats. The absorption data were correlated to protein concentration, and estimates of the protein concentrations within the granules were obtained. The data also yields some information about the spatial organization of the protein in the granules, and our data is compared to models for the internal structure. The success of this experiment points toward future opportunities for dynamical studies on living systems. 6 refs., 28 figs., 2 …
Date:
May 1, 1987
Creator:
Iskander, N.
Object Type:
Report
System:
The UNT Digital Library
The numerical simulation of accelerator components
The techniques of the numerical simulation of plasmas can be readily applied to problems in accelerator physics. Because the problems usually involve a single component ''plasma,'' and times that are at most, a few plasma oscillation periods, it is frequently possible to make very good simulations with relatively modest computation resources. We will discuss the methods and illustrate them with several examples. One of the more powerful techniques of understanding the motion of charged particles is to view computer-generated motion pictures. We will show several little movie strips to illustrate the discussions. The examples will be drawn from the application areas of Heavy Ion Fusion, electron-positron linear colliders and injectors for free-electron lasers. 13 refs., 10 figs., 2 tabs.
Date:
May 1, 1987
Creator:
Herrmannsfeldt, W.B. & Hanerfeld, H.
Object Type:
Article
System:
The UNT Digital Library